Automatic Refill Unit for Closed Loop Expansion Systems.
The Automatic Refill Unit, manufactured by Swissmech Equipment Pty Ltd, ensures that the hydronic system remains full of water in any Pneumatex or other closed loop expansion system.
Pressure Actuated or Level Actuated models available:
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Pressure-Actuated, series PA, to suit standard Pneumatex SD, SU- and SG- series expansion tanks and operating pressures up to max. 600 kPa.
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Contents-Actuated, series CA, to suit Pneumatex CG - or Transfero series expansion systems.
Choice of Two Pump Heads available:
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Model 61 for normal systems operating under 300kPa.
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Models 70 for systems operating over 300 but less than 600 kPa pressures.
Auto Refill Panel
Standard Components:
Casing Material: Steel with baked enamel paint finish
Break Tank: Stainless Steel with Float Valve
Low Water Level Switch
Centrifugal Pump
Balancing Valve
Mains Water Isolating Valve
Mains Water check valve ^
Mains Water Strainer
System Isolating Valve ^
System Pressure Gauge
Terminal Box for electrical connections
Mains Inlet: 15mm Male Flare
System Return: 20mm Male Flare
Overflow connection: 40mm Female BSP
Enclosure dimension: 600 x 600 x 300mm
Mounting Type: Wall
^ Applies only to NA-3 Series
NOTE: Provide weather cover if installed outdoors.
NA3- Series ARU
NA5- Series ARU (ECO)
NA3- Series ARU